Java操作MongoDB插入数据进行模糊查询与in查询功能

/**   * 公共方法：设置Object类型缓存   * @author shijing   * @param param   * @param sysGuid   */  public void setObjData(Map<String,Object> param, String sysGuid, String enumBpd){    DBObject dbObject = new BasicDBObject();    dbObject.putAll(param);    String collectionName = EnumBpd.getBpdType(enumBpd) + sysGuid;    mongoDao.insertToCol(dbObject,collectionName);  }  /**   * 公共方法：设置List缓存   * @author shijing   * @param paramList   * @param sysGuid   */  public void setListData(List<Map<String,Object>> paramList, String sysGuid, String enumBpd){    List<DBObject> list = new ArrayList<>();    if(CollectionUtils.isNotNull(paramList)){      for (Map<String,Object> param : paramList){        DBObject dbObject = new BasicDBObject();        dbObject.putAll(param);        list.add(dbObject);      }    }    String collectionName = EnumBpd.getBpdType(enumBpd) + sysGuid;    mongoDao.insertToCol(list,collectionName);

public void insertToCol(DBObject document, String collectionName) {    dropCol(collectionName);    DBCollection dbCollection = mongoTemplate.createCollection(collectionName);    dbCollection.insert(document);  }  public void insertToCol(List<DBObject> documents, String collectionName) {    dropCol(collectionName);    DBCollection dbCollection = mongoTemplate.createCollection(collectionName);    dbCollection.insert(documents);  }

/**   * 通过关键字模糊查询问题和答案库   * @param param   * @return   */  @Override  public List<Map<String, Object>> searchQuestionAndAnswerByKeyword(Map<String, Object> param) {    List<Map<String,Object>> searchList = new ArrayList<>();    Map<String,Object> userInfo = SessionUtils.getUserInfo();    String sysGuid = userInfo.get("sys_guid").toString();    String collectionName = EnumBpd.getBpdType(EnumBpd.HELP_PAGE_LIST.getType())+sysGuid;    //注释里面这种方式虽然能模糊查询，但是容易漏掉数据，切记切记！！！    //Pattern pattern = Pattern.compile("^.*" + param.get("keyword") +".*$", Pattern.CASE_INSENSITIVE);    BasicDBObject query= new BasicDBObject();    //模糊查询的字段设置    query.put("page_html", Pattern.compile((String) param.get("keyword")));    DBCursor dbCursor = mongoDao.findAll(query,collectionName);    List<DBObject> list = dbCursor.toArray();    for (DBObject dbObject: list){      searchList.add(dbObject.toMap());    }    //模糊查到的数据进行组装    return getQuestionAndAnswerList(searchList);  }  /**   * 公共方法：批量—— in方法查询List数据   * @author shijing   * @param ids id集合   * @param paramMap 其他参数   * @param columnName in字段列名   * @param collectionName 表名   * @return   */  @Override  public List<Map<String, Object>> batchSearchPageListByIds(List<String> ids, Map<String,      Object> paramMap, String columnName, String collectionName) {    List<Map<String,Object>> searchList = new ArrayList<>();    BasicDBObject query= new BasicDBObject();    //批量查询，in    if (CollectionUtils.isNotEmpty(ids)){      BasicDBList values = new BasicDBList();      values.addAll(ids);      query.put(columnName, new BasicDBObject("$in",values));    }    //拼接参数    if(MapUtils.isNotEmpty(paramMap)){      for (String mapKey: paramMap.keySet()){        query.put(mapKey, paramMap.get(mapKey));      }    }    DBCursor dbCursor = mongoDao.findAll(query,collectionName);    List<DBObject> list = dbCursor.toArray();    if (dbCursor!=null && dbCursor.size()>0){      for (DBObject dbObject: list){        searchList.add(dbObject.toMap());      }    }    return searchList;  }  /**   * 公共方法：通过参数获取List数据   * @author shijing   * @param paramMap 参数   * @param collectionName  表名   * @return   */  @Override  public List<Map<String, Object>> getListByParam(Map<String, Object> paramMap,String collectionName){    List<Map<String,Object>> searchList = new ArrayList<>();    BasicDBObject query= new BasicDBObject();    //拼接参数    if(MapUtils.isNotEmpty(paramMap)){      for (String mapKey: paramMap.keySet()){        query.put(mapKey, paramMap.get(mapKey));      }    }    DBCursor dbCursor = mongoDao.findAll(query,collectionName);    List<DBObject> list = dbCursor.toArray();    if (dbCursor!=null && dbCursor.size()>0){      for (DBObject dbObject: list){        searchList.add(dbObject.toMap());      }    }    return searchList;  }  /**   * 公共方法：通过参数获取Object数据   * @author shijing   * @param paramMap   * @param collectionName 表名   * @return   */  @Override  public Map<String, Object> getObjectByParam(Map<String, Object> paramMap, String collectionName) {    Map<String,Object> webSiteInfo = new HashMap<>();    BasicDBObject query= new BasicDBObject();    //拼接参数    if(MapUtils.isNotEmpty(paramMap)){      for (String mapKey: paramMap.keySet()){        query.put(mapKey, paramMap.get(mapKey));      }    }    DBObject dbObject = mongoDao.findOne(query,collectionName);    if(dbObject!=null){      return dbObject.toMap();    }    return webSiteInfo;  }

Pattern pattern = Pattern.compile("^.*" + param.get("keyword") +".*$"

query.put("page_html", Pattern.compile((String) param.get("keyword")));